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Out door air pollution has been a problem since ancient Romans...but the industrial revouloution was when outdoor air pollution increased and it a significant problem...
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All of the following changes have created an urgent need for centralization except The number of qualified software programmers and PC repair technicians is dwindling
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Explanation:</u></h3>
When the processing tasks are carried out on a centralized server it refers to the Centralization. In this type of architecture all the computer systems will be connected to a single server in which all the computational work are performed. The client machines that are connected to the central server will get the resources for computing from the centralized server.
The main reasons for the purpose of centralization includes the following such as the development in the internet that required many computer networks, the basic functioning of the business in which the needed applications are fed on the intranets, the cost associated in the maintenance of personal computers on the single network.
A or b i think hope it helps good luck and i hope it helps
